Search a number
-
+
121065413 = 7145311903
BaseRepresentation
bin1110011011101…
…00111111000101
322102210202112012
413031310333011
5221443043123
620002504005
73000016250
oct715647705
9272722465
10121065413
116237a267
1234665005
131c10ab51
1412116097
15a966378
hex7374fc5

121065413 has 8 divisors (see below), whose sum is σ = 138467328. Its totient is φ = 103690224.

The previous prime is 121065349. The next prime is 121065421. The reversal of 121065413 is 314560121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121065413 - 26 = 121065349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121065493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 16122.

It is an arithmetic number, because the mean of its divisors is an integer number (17308416).

Almost surely, 2121065413 is an apocalyptic number.

It is an amenable number.

121065413 is a deficient number, since it is larger than the sum of its proper divisors (17401915).

121065413 is a wasteful number, since it uses less digits than its factorization.

121065413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 121065413 is about 11002.9729164440. The cubic root of 121065413 is about 494.6978573093.

The spelling of 121065413 in words is "one hundred twenty-one million, sixty-five thousand, four hundred thirteen".

Divisors: 1 7 1453 10171 11903 83321 17295059 121065413